WorksheetsCirculatory & Respiratory System Review
Total questions: 16
Worksheet time: 12mins
The respiratory system helps us take in _________________ and remove ____________________.
air/oxygen
oxygen/carbon dioxide
carbon dioxide/waste
waste/air
These are the two two main branches from the trachea (one to each lung).
bronchi
alveoli
capillaries
bronchioles
Name the organ labelled # 6.
stomach
alveoli
diaphragm
lungs
The muscle that contracts and relaxes to force air in or out of the lungs.
Oral Cavity
Diaphragm
Nasal Cavity
Epiglottis
Often referred to as the "windpipe", this tube leads from the pharynx and larynx to the lungs.
bronchi
trachea
bronchiole
pharynx
Which term best describes the air sacs where gas exchange occurs in the lungs?
bronchi
lungs
oxygen
alveoli
What type of blood vessels are wrapped around the alveoli?
Veins
Capillaries
Arteries
All of the above
The pulmonary circuit is blood flow between the heart and the...
Intestines
Brain
Legs
Lungs
Which blood vessels take blood TO the heart?
Veins
Arteries
Capillaries
Which blood vessels take blood AWAY from the heart?
Veins
Arteries
Capillaries
Which type of blood would be found in a vein in the systemic circuit?
oxygen-rich
oxygen-depleted
In the diagram, what part of the heart is labelled A?
Left Atrium
Left Ventricle
Right Atrium
Right Ventricle
Why do ventricles have thick, muscular walls?
They must pump blood up the atria
They are made of skeletal muscle
They must pump blood to the lungs and out to the body
Valves are important in the heart because they...
Create the heart beat
Are vessels that carry blood
Prevent back flow as blood moves through the heart
House white blood cells
This portion of the blood plays an important immune function.
Plasma
Red blood cells
Platelets
White blood cells
If you cut your finger, this part of blood helps form a clot to stop bleeding.
Red blood cells
Plasma
Platelets
White blood cells
